Science & Mathematics - 16 October 2006

2006-10-16 07:26:56 · 9 answers · asked by Deborah 1 in Astronomy & Space

hiya i need to know what litmus paper is for a piece of home work for part of my family.

2006-10-16 07:18:47 · 16 answers · asked by Nakita x 1 in Chemistry

2006-10-16 07:18:11 · 4 answers · asked by Anonymous in Engineering

2006-10-16 07:17:26 · 26 answers · asked by scarlett400 2 in Astronomy & Space

Find the body's speed and acceleration...
s= -t^3-162^2-6t [0,6]
The answer I got was 42 m/s and -6 m/sec^2...Please
correct if wrong...

Find the derivative
t^7 tan t - square root of t
I can't even figure this one out...

s=10sin t -cos t
Find accel. at t=pi/4
I got -11 square root of 2 /2....please correct if wrong

Find an equation for the line tangent to the curve.
x=t + cos t, y= 2-sin t, t=pi/6
Couldn't figure this one out either...

Find an eq. of tangent line at indicated pt.
f(x)=x^2 -x (2,2)
I got y=3x +4 (again please correct if wrong)

At the point given find the line which is normal to the
curve y^5 + x^3 =y^2 +10 x (0,1)
I couldn't figure this one out for the
life of me...

Anyways, I would greatly appreciate any help...
These are some practice homework questions
for an upcoming test...I would like to see if I
got some of them right, and figure out how to
do the ones that I can't do at all...l.o.l..

Thanks...PLEASE HELP...

2006-10-16 07:16:45 · 4 answers · asked by Anonymous in Mathematics

2006-10-16 07:16:35 · 4 answers · asked by eina 2 in Zoology

2006-10-16 07:14:54 · 24 answers · asked by NICOLA L 1 in Other - Science

2006-10-16 07:14:24 · 8 answers · asked by NICOLA L 1 in Other - Science

2006-10-16 07:14:22 · 10 answers · asked by ? 5 in Medicine

It feels that way...even tho it slows me down a lot!

2006-10-16 07:09:57 · 7 answers · asked by ? 5 in Biology

2006-10-16 07:09:51 · 2 answers · asked by James N 1 in Mathematics

2006-10-16 07:09:35 · 19 answers · asked by sasquatch5607 1 in Zoology

2006-10-16 07:09:09 · 5 answers · asked by BEVERLEY C 1 in Biology

2006-10-16 07:09:08 · 4 answers · asked by Aeacus 2 in Mathematics

A merchant's transactions resulted in the following: a gain of $35, a gain of $14, a loss of $26, a gain of $18, and a loss of $9. Find the average gain or loss per transaction.

2006-10-16 07:07:29 · 6 answers · asked by prettygirlme 1 in Mathematics

2006-10-16 07:06:54 · 32 answers · asked by NICOLA L 1 in Other - Science

please im' confused

2006-10-16 07:04:47 · 12 answers · asked by prettygirlme 1 in Mathematics

2006-10-16 07:02:59 · 1 answers · asked by naike_10021980 2 in Medicine

What are the effects of Global climate change on people of Alaska, Florida, Hawaii and England??

2006-10-16 07:01:24 · 4 answers · asked by lovely 4 in Earth Sciences & Geology

2006-10-16 06:58:52 · 4 answers · asked by Tomaso 2 in Chemistry

Alan Turing (the very same!) gave me some very useful advice on converting hydrogen into methane using CO2. The reaction is

CO2 + 4H2 --> CH4 + 2H2O

What I'd like to know next is: what catalyst, what temperature and what pressure do you think I would need to achieve this reaction? And any other activities you think might help?

Also, what would the energy balance be? We're reducing the CO2, so we need some energy in, but some of our hydrogen is turning into water, so we get some energy out. What's the net sum?

2006-10-16 06:51:09 · 12 answers · asked by wild_eep 6 in Chemistry

2006-10-16 06:49:48 · 31 answers · asked by love_rogeruk 1 in Earth Sciences & Geology

Quran,bible,war book by Sun2zoo

2006-10-16 06:47:34 · 8 answers · asked by k_ashif400 1 in Other - Alternative

My answer was 1/x. Just checking to see if it's right or not.

2006-10-16 06:46:55 · 7 answers · asked by burkehud 2 in Mathematics

can u suggest websites for preparing students for biology practicals

2006-10-16 06:46:49 · 4 answers · asked by wazirsaira 1 in Biology

A single conservative force F(x) = bx + a acts on a 3.28 kg particle, where x is in meters, b = 6.49 N/m and
a = 4.05 N.

#1 As the particle moves along the x axis from X1 = 0.936 m to X2 = 4.03 m, calculate the work done by thsi force in units of J.

#2 Calculate the change in potential energy of the particle in units of J.
THINK THE ANSWER TO THIS IS 62.3895 ??

#3 Calculate the particle's initial kenetic energy at X1 if its finals speed at X2 is 19.8 m/s (in units of J).

2006-10-16 06:46:39 · 4 answers · asked by Dee 4 in Physics

2006-10-16 06:45:49 · 6 answers · asked by crimesolver123 1 in Engineering

Doctor: One or two? One or two?

Me: I pick the one where the letters are perfectly formed but out of focus. I never pick the one thats perfectly focused but distorted. Am I answering correctly?

2006-10-16 06:44:43 · 6 answers · asked by Simple 8 2 in Medicine

2006-10-16 06:42:17 · 3 answers · asked by martyssmc 2 in Botany

2006-10-16 06:41:13 · 3 answers · asked by Stanleymonkey 2 in Mathematics